Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The coldest period tends to be January, when average temperatures fluctuate between a high of 6.1°C (43°F) and a low of 1.7°C (35.1°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 86%.Rainfall
In Marly-le-Roi, in January, during 12.5 rainfall days, 18mm (0.71") of precipitation is typically accumulated. Throughout the year, there are 147 rainfall days, and 321mm (12.64") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Marly-le-Roi. In January, it is snowing for 2.3 days. Throughout January, 13mm (0.51") of snow is accumulated. In Marly-le-Roi, France, during the entire year, snow falls for 7.4 days and aggregates up to 54mm (2.13") of snow.Daylight
In Marly-le-Roi, the average length of the day in January is 8h and 47min.On the first day of the month, sunrise is at 08:44 and sunset at 17:04. On the last day of January, in Marly-le-Roi, sunrise is at 08:23 and sunset at 17:46 CET.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Marly-le-Roi are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What part of the year is the coldest in Marly-le-Roi?
Is it cold in Marly-le-Roi during January?
What are the most humid months in Marly-le-Roi?
What is the average humidity in January in Marly-le-Roi?
How much does it rain in Marly-le-Roi in January?
How many days does it snow in January in Marly-le-Roi?
What is the average length of the day in January in Marly-le-Roi?
What time are sunrise and sunset in January in Marly-le-Roi?
What is the month with the least sunshine in Marly-le-Roi?
How long on average sun shines in January in Marly-le-Roi?
What is the month with the lowest UV index in Marly-le-Roi?
What is the UV index intensity in January in Marly-le-Roi?
Average temperature in January
Marly-le-Roi, France
- Average high temperature in January: 6.1°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in January: 1.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in January
Marly-le-Roi, France
- Average pressure in January: 1017.5mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in January
Marly-le-Roi, France
- Average wind speed in January: 14.8km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in January
Marly-le-Roi, France
- Average humidity in January: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in January
Marly-le-Roi, France
- Average rainfall in January: 18mm
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in January
Marly-le-Roi, France
- Average rainfall days in January: 12.5 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is September (9 days).
Average snowfall in January
Marly-le-Roi, France
- Average snowfall in January: 13mm
The month with the highest snowfall is December (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Marly-le-Roi, France
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Marly-le-Roi, France
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Marly-le-Roi, France
- Average sunshine days in January: 13.8 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in January
Marly-le-Roi, France
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Marly-le-Roi, France
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in January
Marly-le-Roi, France
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Marly-le-Roi, France
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